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leminhkt

noname24

Mar 12th, 2020
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C++ 0.29 KB | None | 0 0
  1. #include<bits/stdc++.h>
  2. #define iFORn(i, n) for(int i=1; i<=(n); i++)
  3. #define sz(x) (x).size()
  4. using namespace std;
  5.  
  6. string n;
  7. int res;
  8. int a[256];
  9. int main(){
  10.     getline(cin, n);
  11.     a[0] = 1;
  12.     iFORn(i, sz(n)-1)
  13.         if(a[res] < (a[i] = a[i-1]*(n[i]==n[i-1]) + 1))
  14.             res=i;
  15.     cout<<string(a[res], n[res]);
  16. }
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